Wholesale N38 NdFeB Magnet Big Strong Magnetic Custom Free Sample
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Product Highlights
- Customizable Plating Options: Offers Nickel, Nicuni, Zinc, Epoxy, Gold, Silver, and Parylen plating choices.
- Wide Grade Range: Available in N30H to N48H grades with various high-temperature options.
- Flexible Tolerance: Customizable tolerance of +/-0.1mm or +/-0.05mm for precision needs.
- Diverse Shape Options: Shapes include Hook and Pot configurations for specific applications.
- Strong Magnetic Performance: High remanence and coercive force suitable for motors and speakers.
- Free Sample Available: Free samples provided to test quality before bulk order placement.
- OEM/ODM Service: Supports custom manufacturing with dedicated R&D engineers.
- Quality Certification: Products guaranteed under ISO9001, TS19649, and SGS systems.
Product Attributes
- Customization
- Available
- Application
- Electronic Products, Speaker Magnet, Industrial Magnet, Motor Magnet
- Shape
- Hook/Pot
- Model NO.
- N38
- Coating
- Nickel
- Grade
- N30H-48H
- Tolerance
- +/-0.1,+/-0.05
- Magnetism Direction
- Thickness
- Plating
- Nickel, Nicuni, Zinc, Epoxy, Gold, Sliver, Parylen
- Density
- 7.5g/cm3
- Cuire Temperature
- 310~380ºC
- Vickers Hardness
- 620hv
- Electrical Resistivity
- 1880~210 ω.Cm
- Recoil Permeabilty
- 1.05
- Flexural Strenth
- 25kg/mm
- Transport Package
- as Customer Required
- Specification
- Customized
- Trademark
- RCMAG
- Origin
- China
- HS Code
- 85051110
- Production Capacity
- 1000 Ton/Year
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Product Description

| Property of the NdFeB | ||||||||||
| Grades | Remanence | Coercive Force | Intrinsic Coercivity | Maximum Energy Product | Curie Temp. | Temp. Coefficient | ||||
| Br | Hcb | Hcj | (BH)max | TC | TW | |||||
| T | KGs | KA/m | KOe | KA/m | Koe | KJ/m3 | MGOe | ºC | ºC | |
| N33 | 1.13-1.18 | 11.3-11.8 | ≥836 | ≥10.5 | ≥955 | ≥12 | 247-263 | 31-33 | 310 | ≤80 |
| N35 | 1.18-1.23 | 11.8-12.3 | ≥868 | ≥10.9 | ≥955 | ≥12 | 263-287 | 33-36 | 310 | ≤80 |
| N38 | 1.22-1.28 | 12.2-12.8 | ≥899 | ≥11.3 | ≥955 | ≥12 | 287-310 | 36-39 | 310 | ≤80 |
| N40 | 1.26-1.31 | 12.6-13.1 | ≥923 | ≥11.6 | ≥955 | ≥12 | 302-326 | 38-41 | 310 | ≤80 |
| N42 | 1.28-1.34 | 12.8-13.4 | ≥923 | ≥11.6 | ≥955 | ≥12 | 318-342 | 40-43 | 310 | ≤80 |
| N45 | 1.34-1.39 | 13.4-13.9 | ≥876 | ≥11.0 | ≥955 | ≥12 | 342-366 | 43-46 | 310 | ≤80 |
| N48 | 1.38-1.42 | 13.8-14.2 | ≥836 | ≥10.5 | ≥876 | ≥11 | 358-390 | 45-48 | 310 | ≤80 |
| N50 | 1.40-1.46 | 14.0-14.6 | ≥836 | ≥10.5 | ≥876 | ≥11 | 374-406 | 47-51 | 310 | ≤80 |
| N35M | 1.18-1.23 | 11.8-12.3 | ≥868 | ≥10.9 | ≥1114 | ≥14 | 263-287 | 33-36 | 320 | ≤100 |
| N38M | 1.22-1.28 | 12.2-12.8 | ≥899 | ≥11.3 | ≥1114 | ≥14 | 287-310 | 36-39 | 320 | ≤100 |
| N40M | 1.26-1.31 | 12.6-13.1 | ≥923 | ≥11.6 | ≥1114 | ≥14 | 302-326 | 38-41 | 320 | ≤100 |
| N42M | 1.28-1.34 | 12.8-13.4 | ≥923 | ≥11.6 | ≥1114 | ≥14 | 318-342 | 40-43 | 320 | ≤100 |
| N45M | 1.34-1.39 | 13.4-13.9 | ≥876 | ≥11.0 | ≥1114 | ≥14 | 342-366 | 43-46 | 320 | ≤100 |
| N33H | 1.14-1.19 | 11.4-11.9 | ≥836 | ≥10.5 | ≥1353 | ≥17 | 247-270 | 31-34 | 330 | ≤120 |
| N35H | 1.18-1.23 | 11.8-12.3 | ≥868 | ≥10.9 | ≥1353 | ≥17 | 263-287 | 33-36 | 330 | ≤120 |
| N38H | 1.22-1.28 | 12.2-12.8 | ≥899 | ≥11.3 | ≥1353 | ≥17 | 287-310 | 36-39 | 330 | ≤120 |
| N40H | 1.26-1.31 | 12.6-13.1 | ≥923 | ≥11.6 | ≥1353 | ≥17 | 302-326 | 38-41 | 330 | ≤120 |
| N42H | 1.28-1.34 | 12.8-13.4 | ≥923 | ≥11.6 | ≥1353 | ≥17 | 318-342 | 40-43 | 330 | ≤120 |
| N30SH | 1.08-1.13 | 10.8-11.3 | ≥810 | ≥10.2 | ≥1592 | ≥20 | 223-247 | 28-31 | 340 | ≤150 |
| N33SH | 1.14-1.19 | 11.4-11.9 | ≥836 | ≥10.5 | ≥1592 | ≥20 | 247-270 | 31-34 | 340 | ≤150 |
| N35SH | 1.18-1.23 | 11.8-12.3 | ≥868 | ≥10.9 | ≥1592 | ≥20 | 263-287 | 33-36 | 340 | ≤150 |
| N38SH | 1.22-1.28 | 12.2-12.8 | ≥899 | ≥11.3 | ≥1592 | ≥20 | 287-310 | 36-39 | 340 | ≤150 |
| N40SH | 1.26-1.31 | 12.6-13.1 | ≥923 | ≥11.6 | ≥1592 | ≥20 | 302-326 | 38-41 | 340 | ≤150 |
| N28UH | 1.03-1.09 | 10.3-10.9 | ≥764 | ≥9.60 | ≥1990 | ≥25 | 207-231 | 26-29 | 350 | ≤180 |
| N30UH | 1.09-1.14 | 10.9-11.4 | ≥812 | ≥10.2 | ≥1990 | ≥25 | 223-247 | 28-31 | 350 | ≤180 |
| N33UH | 1.13-1.17 | 11.3-11.7 | ≥852 | ≥10.7 | ≥1990 | ≥25 | 247-263 | 31-33 | 350 | ≤180 |
| N35UH | 1.17-1.24 | 11.7-12.4 | ≥868 | ≥10.9 | ≥1990 | ≥25 | 263-295 | 33-37 | 350 | ≤180 |
| N28EH | 1.03-1.09 | 10.3-10.9 | ≥780 | ≥9.80 | ≥2388 | ≥30 | 207-231 | 26-29 | 380 | ≤200 |
| N30EH | 1.08-1.13 | 10.8-11.3 | ≥812 | ≥10.2 | ≥2388 | ≥30 | 223-247 | 28-31 | 380 | ≤200 |
| N33EH | 1.14-1.21 | 11.4-12.1 | ≥852 | ≥10.7 | ≥2388 | ≥30 | 247-279 | 31-35 | 380 | ≤200 |
| N35EH | 1.17-1.24 | 11.7-12.4 | ≥868 | ≥10.9 | ≥2388 | ≥30 | 263-295 | 33-37 | 380 | ≤200 |
| N38EH | 1.22-1.29 | 12.2-12.9 | ≥915 | ≥11.5 | ≥2388 | ≥30 | 287-318 | 36-40 | 380 | ≤200 |
| N30AH | 1.08-1.15 | 10.8-11.5 | ≥804 | ≥10.1 | ≥2786 | ≥35 | 223-255 | 28-32 | 380 | ≤230 |
| N33AH | 1.14-1.21 | 11.4-12.1 | ≥852 | ≥10.7 | ≥2786 | ≥35 | 247-279 | 31-35 | 380 | ≤230 |







1.What is information we need before quotation for magnet?
1) Material type and magnet performance.
2) Size and shape, and magnet tolerances, normally International tolerance is +/-0.1mm
4) Magnetization direction
5) Quantities required.
6) Coating required
7) Magnet application
2. How long can I expect to get the sample?
After your payment of the sample charge and files confirmed , the samples will be ready for delivery in 4-7 days. The samples will be sent to you via express and arriving in 4-7 workdays. You can use your own express account or prepay us if you do not have an account.
3.When can I get the price?
We usually quote within 24 hours. If you are very urgent to get the price, please tell us in your email , so we will regard your inquiry priority.
4.Could you provide me the shortest lead time?
We have materials in our stock,if you really need,you can tell us and we will try our best to satisfy you.
5.If I have paid,when will you help me to produce?
When we have received the money in our account,we will give you the receipt and arrange to produce immediately.
6.Are you able to provide best quality?
At our company you receive products under guarantee of ISO9001/TS19649/SGSsystems.
7.Are you able to offer best price?
Magnets are functional products,the cost depend on how strong the materials you need. We believe the most suitable is the best, therefore we can offer best prices to meet your targets.
8.What is your MOQ?
1000-5000-10000-200000 pcs etc. depend different size ,item, design and process. MIN and small quantity accept accordingly.
9.Could I pay a visit to your factory?
Yes, of course, if you need, we will help you visit our factory, everything will be well arranged.
10.If I have more questions ,where can I get the answer?
If you have any questions, please feel free to contact us any time.
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASI223184". Items marked "" are certified.
Company Profile
Zhejiang Rongxin Magnet Co., Ltd. (RCMAG) is a high-tech permanent magnet manufacturer in Huzhou China. We are specialized in producting NdFeB magnet & AlNiCo magnet, distributes SmCo magnet, Bounded NdFeB magnet, Ferrite magnet and related assemblies. The annual production capacity is 3400 tons: 2000 tons for NdFeB, 1200 tons for AlNiCo and 200 tons for SmCo. It is one of the largest enterprises in the permanent magnet magnetic material industries. Our skillful sales team is in the branch named Hangzhou Zishan Import & Export Trade Co., Ltd.
We warmly welcome all friends to visit our company and establish business relationship. Thanks!
Hangzhou Rongchang Magnet Co., Ltd started to manufacture AlNiCo magnet. The main grade is AlNiCo2, AlNiCo3, AlNiCo5, AlNiCo6.
Hangzhou Rongjia Magnet Technology Co., Ltd. (RJMAG) was constructed in 2009. It produces NdFeB magnet. The annual output is up to 1000 Tons.
There are 170 staff at present. ISO9001: 2008, TS16949 and RoHS have been approved. Our products are widely used such as magnetic chuck, magnetic separator, sensors, motor, UAV, Electric car, radar, meters, speaker, guitar, toy and hardware tools. The products are widely exported to globe. Especially Europe, North American and South-east Asia.
We have a series of automatical machines to strictly control quality. A professional and hard-working international sales team do the best to keep nice business relationships with a large number of worthy clients in the global market. We warmly welcome the friends to visit our factory and establish business relationship.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- 528# Fuqian Street, Industrial Park, Si 'an Town, Changxing County, Hangzhou, Zhejiang, China
-
Registered Capital
- 20,000,000 RMB
-
Terms of Payment
- LC, T/T
-
International Commercial Terms(Incoterms)
- FOB, EXW
-
Average Lead Time
-
Peak Season Lead Time: 1-3 months
Off Season Lead Time: one month -
Nearest Port
- Shanghai Port, Ningbo Port
Our Production Capability & Technical Expertise
- Main Products
- NdFeB Magnet, AlNiCo Magnet, SmCo Magnet
-
Production Machines
- Materials Mixing Machine, Airflow Milling Machine, Grinding Machine, Magnet Automatic Inspection Machine, Automatic Measuring Instrument for Magnetization Characteristics, Magnetizing Apparatus, Cutting Machine, Multi-wire Cutting Machine, Vacuum Sintering Furnace, Automatic Magnetic Field Press, Isostatic Pressing Machine, Stripping Machine, Projector, Automatic Magnetizing Flux Testing Machine, Stick Put Oneself in Machine, Automatic Magnetizing Apparatus, Magnetizing Apparatus, Chamber Electric Furnace, Well Type Resistance Furnace, electric Dry Oven, Core Shooting Machine, Ultrasonic Cleaners, Smelting Furnace
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 11 people
Our Industry Experience & Global Business Record
- Export Year
- 2019-06-21
-
Main Markets
- Domestic
-
Number of Foreign Trading Staff
- 6
-
Overseas Agent/Branch
- No
FAQ
- What information is needed before quotation?
- 1) Material type and performance. 2) Size, shape, and tolerances (normally +/-0.1mm). 4) Magnetization direction. 5) Quantities. 6) Coating. 7) Application.
- How long for sample delivery?
- Samples are ready in 4-7 days after payment and file confirmation. Delivery via express takes 4-7 workdays.
- When can I get the price?
- We usually quote within 24 hours. For urgent requests, please specify in your email for priority handling.
- What is the shortest lead time?
- We keep materials in stock. If you have urgent needs, please inform us, and we will try our best to satisfy you.
- When will production start after payment?
- Upon receipt of payment, we provide a receipt and arrange production immediately.
- What quality guarantees do you offer?
- Products are guaranteed under ISO9001, TS19649, and SGS systems.
- How is pricing determined?
- Cost depends on the strength of materials required. We offer the best prices to meet your targets.
- What is your MOQ?
- MOQ varies by size, item, design, and process (e.g., 1000-200,000 pcs). Small quantities are accepted accordingly.
- Can I visit your factory?
- Yes, we can help arrange a factory visit if needed.
- Where can I get answers to more questions?
- Feel free to contact us anytime for any questions.
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